James W. Loewen was a visiting professor of sociology at Catholic University of America, Washington, D.C., and the author of several books, including The Truth About Columbus (New York: The New Press, 1992).

Paul Martin Lester is professor of communications at California State University-Fullerton. See a 1993 essay he published in Visual Anthropology about why Columbus should not be honored.

Read a Jan. 10, 2007, Washington Post story about approval by the Montgomery County (Md.) Board of Education of a sex education curriculum for eighth- and 10th-graders that discusses sexual orientation.

Bernard McGinn is Naomi Shenstone Donnelley Professor Emeritus of Historical Theology and of the History of Christianity in the Divinity School and the Committees on Medieval Studies and on General Studies. Read his thoughts about how Columbus was on an apocalyptic mission, from the PBS show Frontline.

Al-Bab is a general portal for all things Arab, in English. Al-Bab aims to introduce non-Arabs to the Arabs and their culture.

The Indigenous Peoples Day Committee is based in Berkeley, Calif. Contact committee coordinator Rochelle Hays.

The Transform Columbus Day Alliance has an international membership of more than 60 organizations.

Read an April 1, 2006, San Francisco Chronicle story about legislation around the nation involving sexual orientation in public schools.

Bitterlemons is an online roundtable, a publication on the Middle East put out by Palestinian sociologist Ghassan Khatib and Yossi Alpher, a consultant on Israeli-related strategic issues.